860 Pcs M2 M3 M4 M5 Screws Set, Countersunk Nuts and Bolts Set with Washers, Flat Head Machine Screws Assorted, Hex Socket Head Cap Screw Assortment Kit + Wrench-10.9 Grade Alloy Steel

• 🏁 INDUSTRY-LEADING 10.9 STRENGTH GRADE – Built for Heavy-Duty Applications: Engineered from high-grade alloy steel and heat-treated to achieve a 10.9 strength rating, these socket cap screws offer exceptional tensile strength and resistance to vibration loosening. They are significantly stronger than common 8.8 grade bolts, making them the professional choice for automotive, machinery, and critical structural projects where failure is not an option.
• 📦 THE ULTIMATE 860-PIECE ORGANIZED SOLUTION – Every Metric Size You Need: This massive kit includes not just screws, but also matching nuts, flat washers, and spring lock washers in sizes M2, M3, M4, and M5. With a wide range of lengths, it’s the most comprehensive set for repairs, prototyping, and fabrication. Never waste time searching for a matching fastener again – everything you need is in one box.
• 🛡️ SUPERIOR BLACK OXIDE FINISH – Durable Rust Resistance & a Professional Look: The uniform black oxide coating provides a durable layer of protection against corrosion, offering better rust resistance than plain steel. The finish also reduces light glare and provides a clean, professional, and low-profile appearance perfect for automotive engines, motorcycles, and CNC machinery.
• 🧰 ENGINEERED FOR EFFICIENCY – Precision Fit & Reusable Storage Case: The internal hex (Allen) socket drive allows for high torque application with minimal stripping risk and a sleek, flush-mounted profile. Our screws come in a heavy-duty, compartmentalized organizer with clear labels for each size and type. Keep your workshop tidy and save precious time on every project.
• 🔧 WIDE-RANGING VERSATILITY – From Auto Repair to 3D Printers: This is the go-to kit for hundreds of applications. Use it for car and motorcycle engines, brake calipers, machinery maintenance, furniture assembly, robotics, 3D printers, and high-stress DIY projects. This single investment replaces multiple small sets and is an essential addition for any serious workshop or garage.

860-Piece Professional Metric Hardware Kit: Strength, Organization, and Value Stop struggling with mismatched, low-quality fasteners. Our massive 860-piece assortment is the definitive solution for professionals and dedicated hobbyists who demand reliability and convenience. Key Features & Benefits: Uncompromising Strength: Every screw is manufactured from high-quality alloy steel and heat-treated to achieve a 10.9 grade—the industry standard for high-strength applications. This means superior clamp force, shear strength, and resistance to vibration, ensuring your creations and repairs last. Complete Fastener System: We include everything: Socket Head Cap Screws, Hex Nuts, Flat Washers, and Spring Lock Washers. Flat washers distribute load, while spring washers prevent loosening from vibration. This holistic approach saves you from purchasing components separately. Durable Black Oxide Protection: More than just a sleek look, the black oxide finish provides a solid layer of corrosion resistance, protecting your projects from rust and wear. The matte black finish is also non-reflective and reduces light glare. Superior Organization: All components are logically sorted in a durable, reusable plastic case with individual compartments and clear labels. This pro-level organization protects your investment, prevents loss, and lets you find the exact fastener you need in seconds, dramatically improving workflow efficiency. Applications: Automotive: Engine parts, brake systems, intake manifolds, motorcycle frames, ATV repairs. Machinery & Manufacturing: CNC routers, laser cutters, lathes, mill fixtures, industrial equipment maintenance. DIY & Fabrication: Custom furniture, robotics, drone builds, high-performance RC models, metalworking projects. Technology & Maker Projects: 3D printer assembly/repair, server racks, audio equipment, and prototyping. Detailed Specifications: - Quantity: 860PCS. - Weight: 330g. - Drive Type: Hex Flat Head. - Sizes: M2 M3 M4 M5 - Wrenches: 4 Allen Wrenches. - Package: Transparent Storage Case. - Material: High Quality 10.9 Grade Alloy Steel. - Product Name: Hex Flat Head Screws Bolts Nuts Washers Assortment Kit - What you get: Screws, Nuts, Flat Washers, Spring Washers, Wrenches, Handy Box. - Features: Corrosion Resistance, Excellent Oxidation Resistance. Package Includes: M2 - Screws, Nuts and Washers: 40PCS - M2 X 8 30PCS - M2 X 12 20PCS - M2 X 16 90PCS - M2 Nuts 100PCS - M2 Flat Washers 100PCS - M2 Spring Washers M3 - Screws, Nuts and Washers: 30PCS - M3 X 8 20PCS - M3 X 12 10PCS - M3 X 16 60PCS - M3 Nuts 70PCS - M3 Flat Washers 70PCS - M3 Spring Washers M4 - Screws, Nuts and Washers: 20PCS - M4 X 10 10PCS - M4 X 16 10PCS - M4 X 20 40PCS - M4 Nuts 40PCS - M4 Flat Washers 40PCS - M4 Spring Washers M5 - Screws, Nuts and Washers: 5PCS - M5 X 10 5PCS - M5 X 16 5PCS - M5 X 20 15PCS - M5 Nuts 15PCS - M5 Flat Washers 15PCS - M5 Spring Washer Upgrade Your Workshop Today! Don't let a missing screw halt your progress. Click **Add to Cart** now to secure this comprehensive, professional-grade fastener kit and tackle any project with confidence!